Managing HP Serviceguard A.11.20.00 for Linux, June 2012

Moving a Failover Package ..............................................................................................197
Changing Package Switching Behavior ..............................................................................197
Maintaining a Package: Maintenance Mode............................................................................197
Characteristics of a Package Running in Maintenance Mode or Partial-Startup Maintenance Mode
.....................................................................................................................................198
Rules for a Package in Maintenance Mode or Partial-Startup Maintenance Mode ...............199
Additional Rules for Partial-Startup Maintenance Mode................................................199
Dependency Rules for a Package in Maintenance Mode or Partial-Startup Maintenance Mode
................................................................................................................................200
Performing Maintenance Using Maintenance Mode.............................................................200
Procedure..................................................................................................................200
Performing Maintenance Using Partial-Startup Maintenance Mode.........................................200
Procedure..................................................................................................................201
Excluding Modules in Partial-Startup Maintenance Mode..................................................201
Reconfiguring a Cluster.........................................................................................................202
Previewing the Effect of Cluster Changes.............................................................................202
What You Can Preview................................................................................................203
Using Preview mode for Commands in Serviceguard Manager..........................................203
Using cmeval..............................................................................................................204
Reconfiguring a Halted Cluster .........................................................................................205
Reconfiguring a Running Cluster........................................................................................205
Adding Nodes to the Configuration While the Cluster is Running .....................................205
Removing Nodes from the Cluster while the Cluster Is Running ..........................................206
Changing the Cluster Networking Configuration while the Cluster Is Running...........................207
What You Can Do......................................................................................................207
What You Must Keep in Mind.......................................................................................207
Example: Adding a Heartbeat LAN...............................................................................208
Example: Deleting a Subnet Used by a Package..............................................................209
Updating the Cluster Lock LUN Configuration Online............................................................209
Changing MAX_CONFIGURED_PACKAGES.......................................................................210
Configuring a Legacy Package...............................................................................................210
Creating the Legacy Package Configuration .......................................................................210
Using Serviceguard Manager to Configure a Package ....................................................210
Using Serviceguard Commands to Configure a Package .................................................210
Configuring a Package in Stages..............................................................................211
Editing the Package Configuration File.......................................................................211
Creating the Package Control Script...................................................................................212
Customizing the Package Control Script .........................................................................213
Adding Customer Defined Functions to the Package Control Script ....................................213
Adding Serviceguard Commands in Customer Defined Functions .................................214
Support for Additional Products.....................................................................................214
Verifying the Package Configuration...................................................................................214
Distributing the Configuration............................................................................................215
Distributing the Configuration And Control Script with Serviceguard Manager.....................215
Copying Package Control Scripts with Linux commands....................................................215
Distributing the Binary Cluster Configuration File with Linux Commands .............................215
Configuring Cross-Subnet Failover......................................................................................216
Configuring node_name..............................................................................................216
Configuring monitored_subnet_access............................................................................216
Creating Subnet-Specific Package Control Scripts............................................................216
Control-script entries for nodeA and nodeB................................................................216
Control-script entries for nodeC and nodeD................................................................217
Reconfiguring a Package.......................................................................................................217
Migrating a Legacy Package to a Modular Package.............................................................217
Reconfiguring a Package on a Running Cluster ...................................................................217
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